Can opener



FIG. 1 is a photograph illustrating a perspective view, taken from the front, right side, and top, illustrating our new design of a can opener in a closed position;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a can opener, as shown and described. 